Campaign measurement for B2B marketers

Make every campaign
easier to defend.

Turn campaign metrics into a defensible business case—with deal-cycle-aware attribution, transparent assumptions, and a report your clients and executives can use.

Analyze a campaign free See why the evidence matters
Deal-cycle-aware 90-day attribution Source-linked methodology stamps Saved, refreshable campaign history Branded executive-ready reports

Free campaign calculator

Build the business case.

Enter campaign and deal data manually—or connect a CRM later. Your free result uses the same transparent 90-day attribution logic.

01

Campaign investment

Start with delivery and response.

02

Commercial context

Account for deal value and time-to-close.

Prefer not to enter this manually?

Pro users can optionally import the same fields from HubSpot, Salesforce, or the Campaign Proof API.

View connections
The calculation requires no account. Create a free login only if you want to save one watermarked report preview.

Workflow connections

Work where your revenue data already lives.

Every sync keeps the CRM source ID, timestamps the import, and records exactly which fields informed the report.

01Available in Pro

HubSpot

Native OAuth sync

Pull deals, pipeline stages, source fields, contacts, and company associations without exporting spreadsheets.

Connect HubSpot
02Available in Pro

Salesforce

Native OAuth sync

Map campaigns, campaign members, primary campaign source, opportunities, value, and close dates into one evidence trail.

Connect Salesforce
03Developer access

Campaign Proof API

REST + webhooks

Send normalized campaign or deal data from any CRM, warehouse, form, workflow, or agent with idempotent source IDs.

Read the API contract

AI can write a recap

Campaign Proof makes it defensible.

Generic AI prompt

A plausible answer

  • Starts with manually pasted data
  • Changes when the prompt changes
  • No durable source lineage
  • No refreshable CRM connection

Campaign Proof

A reproducible evidence record

  • OAuth connections with encrypted tokens
  • Idempotent, refreshable source records
  • Versioned methodology and attribution logic
  • Saved history and branded reporting

Stop rebuilding the same report

Turn your CRM into a campaign evidence system.

Open integrations

One plan, complete evidence

Keep calculating free. Upgrade when the report matters.

The calculator remains free. Pro adds the repeatable reporting workflow, private history, and optional CRM connections.

Campaign Proof Pro

Report toolkit

$39/ month

  • Vertical benchmarks and industry-specific scoring
  • Branded, editable multi-page PDF reports
  • Saved campaigns and comparison history
  • Full CVR methodology and source audit trail
  • Optional HubSpot, Salesforce, and API imports
Get more with Pro